Don't worry about the 'Murrica. I'm sure he's from one of those 'Urop startups we're hearing so much about....
:^)
On topic I'm pretty sure NASA uses metric units, after they had that one launch in the 90's that messed up do to a conversion error between metric and imperial.
:^)
On topic I'm pretty sure NASA uses metric units, after they had that one launch in the 90's that messed up do to a conversion error between metric and imperial.